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40030125 = 353106747
BaseRepresentation
bin1001100010110…
…0111110101101
32210022202000020
42120230332231
540221431000
63545552353
7664151622
oct230547655
983282006
1040030125
1120661253
12114a56b9
1383a7485
145460349
1537aaba0
hex262cfad

40030125 has 16 divisors (see below), whose sum is σ = 66610752. Its totient is φ = 21349200.

The previous prime is 40030117. The next prime is 40030127. The reversal of 40030125 is 52103004.

It is not a de Polignac number, because 40030125 - 23 = 40030117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52999 + ... + 53748.

It is an arithmetic number, because the mean of its divisors is an integer number (4163172).

Almost surely, 240030125 is an apocalyptic number.

It is an amenable number.

40030125 is a deficient number, since it is larger than the sum of its proper divisors (26580627).

40030125 is a wasteful number, since it uses less digits than its factorization.

40030125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106765 (or 106755 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40030125 is about 6326.9364624595. The cubic root of 40030125 is about 342.0810228335.

Adding to 40030125 its reverse (52103004), we get a palindrome (92133129).

The spelling of 40030125 in words is "forty million, thirty thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 106747 320241 533735 1601205 2668675 8006025 13343375 40030125